<?php

/**
 * @copyright  For copyright and license information, read the COPYING.txt file.
 * @link       /COPYING.txt
 * @license    Open Software License (OSL 3.0)
 * @package    Mage_Adminhtml
 */


/**
 * Admin CMS page
 *
 * @package    Mage_Adminhtml
 */
class Mage_Adminhtml_Block_Cms_Page_Edit extends Mage_Adminhtml_Block_Widget_Form_Container
{
    /**
     * Initialize cms page edit block
     */
    public function __construct()
    {
        $this->_objectId   = 'page_id';
        $this->_controller = 'cms_page';

        parent::__construct();

        if ($this->_isAllowedAction('save')) {
            $this->_addButton('saveandcontinue', [
                'label'     => Mage::helper('adminhtml')->__('Save and Continue Edit'),
                'onclick'   => Mage::helper('core/js')->getSaveAndContinueEditJs($this->_getSaveAndContinueUrl()),
                'class'     => 'save continue',
            ], -100);
        } else {
            $this->_removeButton('save');
        }

        if (!$this->_isAllowedAction('delete')) {
            $this->_removeButton('delete');
        }
    }

    /**
     * Retrieve text for header element depending on loaded page
     *
     * @return string
     */
    public function getHeaderText()
    {
        if (Mage::registry('cms_page')->getId()) {
            return Mage::helper('cms')->__("Edit Page '%s'", $this->escapeHtml(Mage::registry('cms_page')->getTitle()));
        }

        return Mage::helper('cms')->__('New Page');
    }

    /**
     * Check permission for passed action
     *
     * @param string $action
     * @return bool
     */
    protected function _isAllowedAction($action)
    {
        return Mage::getSingleton('admin/session')->isAllowed('cms/page/' . $action);
    }

    /**
     * Getter of url for "Save and Continue" button
     * tab_id will be replaced by desired by JS later
     *
     * @return string
     */
    protected function _getSaveAndContinueUrl()
    {
        return $this->getUrl('*/*/save', [
            '_current'   => true,
            'back'       => 'edit',
            'active_tab' => '{{tab_id}}',
        ]);
    }

    /**
     * @inheritDoc
     */
    protected function _prepareLayout()
    {
        $tabsBlock = $this->getLayout()->getBlock('cms_page_edit_tabs');
        if ($tabsBlock) {
            $tabsBlockJsObject = $tabsBlock->getJsObjectName();
            $tabsBlockPrefix   = $tabsBlock->getId() . '_';
        } else {
            $tabsBlockJsObject = 'page_tabsJsTabs';
            $tabsBlockPrefix   = 'page_tabs_';
        }

        $this->_formScripts[] = "
            function toggleEditor() {
                tinymce.execCommand('mceToggleEditor', false, wysiwygpage_content);
            }

            function saveAndContinueEdit(urlTemplate) {
                var tabsIdValue = " . $tabsBlockJsObject . ".activeTab.id;
                var tabsBlockPrefix = '" . $tabsBlockPrefix . "';
                if (tabsIdValue.startsWith(tabsBlockPrefix)) {
                    tabsIdValue = tabsIdValue.substr(tabsBlockPrefix.length)
                }
                var template = new Template(urlTemplate, /(^|.|\\r|\\n)({{(\w+)}})/);
                var url = template.evaluate({tab_id:tabsIdValue});
                editForm.submit(url);
            }
        ";
        return parent::_prepareLayout();
    }
}
